From: Thomas Hellstrom <thellstrom@vmware.com>
Date: Thu, 28 Aug 2014 09:53:23 +0000 (+0200)
Subject: drm/vmwgfx: Fix a potential infinite spin waiting for fifo idle
X-Git-Tag: v3.2.64~87
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c81ddee59127ad2900e623d8fe5e839c48e1a027;p=pandora-kernel.git

drm/vmwgfx: Fix a potential infinite spin waiting for fifo idle

commit f01ea0c3d9db536c64d47922716d8b3b8f21d850 upstream.

The code waiting for fifo idle was incorrect and could possibly spin
forever under certain circumstances.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reported-by: Mark Sheldon <markshel@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Reivewed-by: Mark Sheldon <markshel@vmware.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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